/*
 * GJexer - GPL Java Text User Interface
 *
 * The GNU General Public License Version 3
 *
 * Copyright (C) 2021 Autumn Lamonte
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @author Autumn Lamonte [AutumnWalksTheLake@gmail.com] ⚧ Trans Liberation Now
 * @version 1
 */
package gjexer.demos;

import java.io.IOException;
import java.util.ResourceBundle;

import gjexer.TApplication;
import gjexer.TWidget;
import gjexer.TWindow;
import gjexer.event.TResizeEvent;
import gjexer.ttree.TDirectoryTreeItem;
import gjexer.ttree.TTreeViewWidget;
import static gjexer.TCommand.*;
import static gjexer.TKeypress.*;

/**
 * This window demonstates the TTreeView widget.
 */
public class DemoTreeViewWindow extends TWindow {

    /**
     * Translated strings.
     */
    private static final ResourceBundle i18n = ResourceBundle.getBundle(DemoTreeViewWindow.class.getName());

    // ------------------------------------------------------------------------
    // Variables --------------------------------------------------------------
    // ------------------------------------------------------------------------

    /**
     * Hang onto my TTreeView so I can resize it with the window.
     */
    private TTreeViewWidget treeView;

    // ------------------------------------------------------------------------
    // Constructors -----------------------------------------------------------
    // ------------------------------------------------------------------------

    /**
     * Public constructor.
     *
     * @param parent the main application
     * @throws IOException if a java.io operation throws
     */
    public DemoTreeViewWindow(final TApplication parent) throws IOException {
        super(parent, i18n.getString("windowTitle"), 0, 0, 44, 16,
            TWindow.RESIZABLE);

        // Load the treeview with "stuff"
        treeView = addTreeViewWidget(1, 1, 40, 12);
        new TDirectoryTreeItem(treeView, ".", true);

        statusBar = newStatusBar(i18n.getString("statusBar"));
        statusBar.addShortcutKeypress(kbF1, cmHelp,
            i18n.getString("statusBarHelp"));
        statusBar.addShortcutKeypress(kbF2, cmShell,
            i18n.getString("statusBarShell"));
        statusBar.addShortcutKeypress(kbF3, cmOpen,
            i18n.getString("statusBarOpen"));
        statusBar.addShortcutKeypress(kbF10, cmExit,
            i18n.getString("statusBarExit"));
    }

    // ------------------------------------------------------------------------
    // TWindow ----------------------------------------------------------------
    // ------------------------------------------------------------------------

    /**
     * Handle window/screen resize events.
     *
     * @param resize resize event
     */
    @Override
    public void onResize(final TResizeEvent resize) {
        if (resize.getType() == TResizeEvent.Type.WIDGET) {
            // Resize the treeView field
            TResizeEvent treeSize = new TResizeEvent(TResizeEvent.Type.WIDGET,
                resize.getWidth() - 4, resize.getHeight() - 4);
            treeView.onResize(treeSize);
            return;
        }

        // Pass to children instead
        for (TWidget widget: getChildren()) {
            widget.onResize(resize);
        }
    }

}
